Mastra alternatives
6 agents tools in the same lane as Mastra, ranked by editorial score.
DI
Dify
Agents · Model-agnostic: OpenAI (GPT-4o, GPT-4.1), Anthropic Claude, Google Gemini, Mistral, Cohere, Ollama, and any OpenAI-compatible endpoint
Open-source LLMOps platform for building agentic workflows, RAG pipelines, and AI applications
Freemium· Professional: $590 · Team: $1590 · Sandbox: Free · Enterprise: Custom · Community: FreeRAG chatbot over internal documentsCustomer support automation
LA
Langflow
Agents · Multi-model
8.1
Open-source visual builder for LangChain-style AI agents and RAG pipelines.
Freemium· Open-source free; hosted free tier + paid enterprise via DataStaxagent-prototypingrag-pipelines
CS
Coze Studio
Agents · Multi-model
7.2
Self-hostable visual AI agent development platform from ByteDance with workflows, RAG, and plugin tooling.
Free· Free, Apache 2.0; self-hostedai-agentsworkflow-automation
GA
GenAI Agents (NirDiamant)
Agents · Framework-agnostic; most notebooks default to OpenAI GPT-4 class models, with Ollama and local model examples included.
50+ Jupyter tutorials for building GenAI agents, from a simple chatbot to multi-agent systems.
Free· Free and open source (Jupyter notebooks). Author sells an optional paid course at diamant-ai.com and runs a free newsletter; the repository itself has no paywall.LangGraph multi-agent workflowCustomer support agent
OA
OpenAI Agents SDK (Python)
Agents · GPT-4o / GPT-4.1 / gpt-realtime (provider-pluggable via LiteLLM)
A lightweight Python framework for building multi-agent LLM applications with handoffs, guardrails, and built-in tracing.
Free· SDK is free and open source (MIT-licensed). Cost is pass-through to whichever model provider you point it at — OpenAI API pricing applies when using GPT models; third-party providers billed separately.Multi-agent customer support with specialist handoffsVoice agents using gpt-realtime for phone or in-app calls
MI
MindStudio
Agents · Multi-model
6.9
No-code platform for building and deploying AI agents across 200+ models without juggling API keys.
Freemium· Free: $0 · Individual: $20agent-buildingworkflow-automation